User Guide

Technical Instructions Powermite 599 MT Series Terminal Unit 2-way Valves
Document Number 155-196P25
May 20, 2008
Page 4 Siemens Building Technologies, Inc.
Table 3. Maximum Water Capacity - U.S. Gallons per Minute.
Pressure Differential - psi
Valve
Size
In
inches
Cv\1 2 3 4 5 6 8 10 15 20 25 30 40 50 60 75
0.4 0.6 0.7 0.8 0.9 1.0 1.1 1.3 1.5 1.8 2.0 2.2 2.5 2.8 3.1 3.5
0.63 0.9 1.1 1.3 1.4 1.5 1.8 2.0 2.4 2.8 3.2 3.5 4.0 4.5 4.9 5.5
1.0 1.4 1.7 2.0 2.2 2.5 2.8 3.2 3.9 4.5 5.0 5.5 6.3 7.1 7.8 8.7
1.6 2.3 2.8 3.2 3.6 3.9 4.5 5.1 6.2 7.2 8.0 8.8 10.1 11.3 12.4 13.9
2.5 3.5 4.3 5.0 5.6 6.1 7.1 7.9 9.7 11.2 12.5 13.7 15.8 17.7 19.4 22
1/2
4 5.7 7 8.0 8.9 10 11.3 12.6 15.5 17.9 20.0 21.9 25 28 31 35
3/4
6.3 8.9 10.9 12.6 14.1 15.4 17.8 20 24 28 32 35 40 45 49 55
1
10 14.1 17.3 20 22 24 28 32 39 45 50 55 63 71 77 87
Table 4. Maximum Water Capacity - Cubic Meters per Hour (m
3
/hr).
Valve Size Pressure Differential - kPa
In
mm
1 10 20 30 40 50 60 80
Kvs/
100
150 200 300 400 500
0.03 0.11 0.15 0.19 0.22 0.24 0.26 0.30 0.34 0.42 0.48 0.59 0.68 0.76
0.05 0.17 0.24 0.30 0.34 0.38 0.42 0.48 0.54 0.66 0.76 0.94 1.08 1.21
0.09 0.27 0.38 0.47 0.54 0.60 0.66 0.76 0.85 1.0 1.2 1.5 1.7 1.9
0.14 0.43 0.61 0.75 0.87 0.97 1.06 1.23 1.37 1.7 1.9 2.4 2.7 3.1
0.21 0.68 0.96 1.17 1.35 1.51 1.66 1.91 2.15 2.6 3.0 3.7 4.3 4.8
15
0.34 1.1 1.5 1.9 2.2 2.4 2.7 3.1 3.4 4.2 4.9 6.0 6.9 7.7
20
0.54 1.7 2.4 3.0 3.4 3.8 4.2 4.9 5.4 6.7 7.7 9.4 10.9 12.1
25
0.86 2.7 3.8 4.7 5.4 6.1 6.7 7.7 8.6 10.5 12.2 14.9 17.2 19.2
32
1.4 4.4 6.2 7.6 8.7 9.8 10.7 12.3 13.8 16.9 19.5 23.9 27.6 30.9
40
2.2 6.8 9.6 11.8 13.6 15.2 16.7 19.2 22 26 30 37 43 48